History: 71 year old white male with a 30 pack year history of smoking, known schatzski's ring, and esophageal reflux now presents with dysphagia, increasing indigestion, and chest pain following eating.

History: 71 year old white male with a 30 pack year history of smoking, known schatzski's ring, and esophageal reflux now presents with dysphagia, increasing indigestion, and chest pain following eating.